Finding the Fourth Proportional to 22,615,716.48, 33,837,971.84 and 13,398,639.36
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Solution
The fourth proportional to 22,615,716.48, 33,837,971.84 and 13,398,639.36 is: 20,047,243.77
Step by Step Solution
- Step 1: Write the proportion equation
22,615,716.48 : 33,837,971.84 = 13,398,639.36 : x - Step 2: Convert to fraction form
22,615,716.48/33,837,971.84 = 13,398,639.36/x - Step 3: Cross multiply
22,615,716.48x = 33,837,971.84 × 13,398,639.36 - Step 4: Simplify right side
22,615,716.48x = 453,382,781,357,995.62 - Step 5: Solve for x
x = 453,382,781,357,995.62/22,615,716.48 - Step 6: Final answer
x = 20,047,243.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.